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What's Wrong with Atkins?
By George Eisman, RD
The American public has embraced the Atkins Diet, and other high-protein, low-carb diets, as quick weight
loss solutions. However, it is important to understand the long-term health risks associated with this type of
diet. High-protein diets put the body into a state of ketosis, a metabolic state that irritates the kidneys, causes
dehydration and impairs brain function. Weight loss can be achieved on a health-promoting, high-carb diet if
the right carbohydrates are consumed
Why is excess protein harmful?
The liver has to work hard to deaminate (remove the ammonia from) every amino acid molecule burned for
energy. Following a high-protein meal, the liver is so full of this harsh ammonia that it has to engorge itself
with fluid (blood) to dilute it. Slowly, the liver converts the ammonia to urea, a less harsh substance, which is
sent to the kidneys to be excreted. The kidneys, forced to work overtime to eliminate urea, assimilate calcium
from the blood to attain the appropriate acid/base balance range. The blood then “steals” more calcium from
the bones in an effort to raise its calcium back to normal levels.
The long-term result: Overworked liver and kidneys and calcium-depleted bones (osteoporosis), all because
the body was forced to burn protein as a calorie source. Even high-protein diet advocates like Atkins and
Sears admit excess protein can be harmful in the long-term. These are not diets for a lifetime, as a wholefoods, plant-based diet is.
What is ketosis?
When the body does not attain sufficient carbohydrates (at least 130 grams a day), it is forced to burn fat and
protein for fuel. There are waste products called Ketone Bodies that build up in the bloodstream as a result of
this abnormal situation. These ketones are very irritating to the kidneys, and the kidneys are forced to use a lot
of fluid (water) to rid the body of these chemicals, one of which is acetone. This causes dehydration and sluggish brain functioning in many people, though this may be offset (temporarily) by the increased mental clarity
that results from the actual fat loss that is simultaneously occurring.
Good Carbs vs. Bad Carbs
Carbohydrates may have been "created equal," but processing removes nutrients from food, leaving behind a
refined carb that not only leads to health risk, but also works against weight control. Prior to the current
Atkins craze, weight gain was attributed to very low-fat diets with high levels of refined carbs-an unhealthy
diet that does not promote weight loss (think fat-free Twinkies, Snackwells, etc.). This type of diet releases
insulin into the blood and is unsuitable for weight loss. In fact, it was the failure of this fat-free approach that
led to the revival of high-protein diets. Building your meals on whole-food, unrefined carbohydrates is the
healthiest way to eat, and leads to long-lasting weight control without ever having to "diet" again.
Sample substitutions:
Instead of
Use
Sweeteners
Sweet fruits
Bread, pasta
Whole grains
Oils, Fats
Raw nuts, avocados, mashed
fruits or vegetables
Meats, Cheeses
Beans, raw nut butters
For more information, please visit: www.vegforlife.org.